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Security audit

QR Claw

Security checks for vulnerabilities and agentic risk

Overview

This skill coherently generates QR codes through a disclosed external service, with clear warnings not to send sensitive data.

Install only if you are comfortable with QR inputs being sent to qrclaw.goplausible.xyz and made available through a public smart link for about 24 hours. Do not use it for passwords, API keys, private keys, tokens, personal identifiers, or other private data.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill description contains very broad trigger phrases such as generating a QR code for 'any string or URL' and multiple generic invocations like 'make a QR' or 'share content via QR.' This can cause the agent to invoke the skill for inputs that were not clearly intended for external sharing, increasing the risk that sensitive or private user data is sent to a third-party service despite the skill's safety warnings.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.